diff --git a/pkgs/development/python-modules/llama-index-llms-openai/default.nix b/pkgs/development/python-modules/llama-index-llms-openai/default.nix
index 933ec25e387a..94a57df95017 100644
--- a/pkgs/development/python-modules/llama-index-llms-openai/default.nix
+++ b/pkgs/development/python-modules/llama-index-llms-openai/default.nix
@@ -4,13 +4,13 @@
   fetchPypi,
   llama-index-core,
   openai,
-  poetry-core,
+  hatchling,
   pythonOlder,
 }:
 
 buildPythonPackage rec {
   pname = "llama-index-llms-openai";
-  version = "0.3.38";
+  version = "0.3.42";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "llama_index_llms_openai";
     inherit version;
-    hash = "sha256-vNHVISv3yUgwGVhxmh3zYb5is3tWIHMuTJzoBLwHi3c=";
+    hash = "sha256-O1yLSwbtod1743ATe215OI+dIcan7d2HK15jNuYYsjU=";
   };
 
   pythonRemoveDeps = [
@@ -26,7 +26,7 @@ buildPythonPackage rec {
     "llama-index-agent-openai"
   ];
 
-  build-system = [ poetry-core ];
+  build-system = [ hatchling ];
 
   dependencies = [
     llama-index-core